79230070772 has 6 divisors (see below), whose sum is σ = 138652623858. Its totient is φ = 39615035384.

The previous prime is 79230070753. The next prime is 79230070811. The reversal of 79230070772 is 27707003297.

It can be written as a sum of positive squares in only one way, i.e., 72213663076 + 7016407696 = 268726^2 + 83764^2 .

It is a super-2 number, since 2×79230070772² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9903758843 + ... + 9903758850.

It is an arithmetic number, because the mean of its divisors is an integer number (23108770643).

Almost surely, 2^79230070772 is an apocalyptic number.

It is an amenable number.

79230070772 is a deficient number, since it is larger than the sum of its proper divisors (59422553086).

79230070772 is a wasteful number, since it uses less digits than its factorization.

79230070772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19807517697 (or 19807517695 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 44.

The spelling of 79230070772 in words is "seventy-nine billion, two hundred thirty million, seventy thousand, seven hundred seventy-two".